 English |
|
|
|
|
|
|
|
| LTC3620 Datasheet, PDF (13/16 Pages) Linear Technology – Ultralow Power 15mA Synchronous Step-Down Switching Regulator | |||
| |||
| ◁ |
TYPICAL APPLICATIONS
High Efï¬ciency Low Power Step-Down Converter, FMIN/MODE = 0
VIN
2.9V TO 5.5V
VIN
RUN LOBATB
1μF
CER
SW
LTC3620
LOBATB
1M
22μH
22pF
VOUT
1.1V
FMIN/MODE VFB
GND
432k
523k
1μF
CER
3620 TA02a
LTC3620
100
90
80
70
60
50
40
30
20
10
0
0.1
Efï¬ciency vs Load Current
TA = 25°C
VOUT = 1.1V
FMIN/MODE = 0V
VIN = 3V
VIN = 3.6V
VIN = 5.5V
1
10
LOAD CURRENT (mA)
3620 TA02b
100
90
80
70
60
50
40
30
20
10
0
2.5
Efï¬ciency vs VIN
TA = 25°C
VOUT = 1.1V
IOUT = 500μA
IOUT = 1mA
IOUT = 10mA
3.5
4.5
5.5
6.5
VIN (V)
3620 TA02c
3620f
13
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese